DESCRIPTION This circuit includes the parking brake switch assembly and navigation receiver assembly. WIRING DIAGRAM ![]() PROCEDURE
(b) Check that the display changes between ON and OFF according to the parking brake operation. OK:
HINT: This display is updated once per second. As a result, it is normal for the display to lag behind the actual parking brake operation.
(a) Disconnect the J135 navigation receiver assembly connector. (b) Disconnect the A5 parking brake switch assembly connector. (c) Measure the resistance according to the value(s) in the table below. Standard Resistance:
(a) Remove the parking brake switch assembly (See page
(b) Inspect the parking brake switch assembly (See page
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Toyota Tundra Service Manual > Vehicle Stability Control System: Engine Control System Malfunction (C1201)
DESCRIPTION If a malfunction in the SFI system is detected, the operation of VSC and TRAC is prohibited by the fail-safe function. When the signals from the engine are received normally, fail-safe control is canceled. DTC No. Detection Item DTC Detection Condition Trouble Area C1201 Engine Control S ...